The purpose of this study was to evaluate the mathematical model for traffic flowing through a merging area on the Malaysia Federal Highway operation which ramp areas at  Kilometer   31.6  from  Shah  Alam  to  Kuala  Lumpur,  Kilometer  32.9  from  Kuala Lumpur  to  Shah  Alam   and  Kilometer  33  from  Kuala  Lumpur  to  Shah  Alam.  The continuous flow model was used in  this study that assumes traffic flow to be similar to the heat equation in regards to the concept  of the one-dimensional viscous flow of compressible fluid. The research design used in this study  was comparative method. The continuous flow model set an initial condition, together with a set of  boundary conditions,  was  prescribed  to  solve  the  partial  differential  equation.  The   boundary conditions were selected to assess the suitableness of the design of the entrance ramp in    Malaysia.   A   sample   of   highway  traffic   data   wasÂ.....

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